Home / 127,962.24-176,601.60-71,393.28

Finding the Fourth Proportional to 127,962.24, 176,601.60 and 71,393.28

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Solution

The fourth proportional to 127,962.24, 176,601.60 and 71,393.28 is: 98,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.24 : 176,601.60 = 71,393.28 : x
  2. Step 2: Convert to fraction form
    127,962.24/176,601.60 = 71,393.28/x
  3. Step 3: Cross multiply
    127,962.24x = 176,601.60 × 71,393.28
  4. Step 4: Simplify right side
    127,962.24x = 12,608,167,477.25
  5. Step 5: Solve for x
    x = 12,608,167,477.25/127,962.24
  6. Step 6: Final answer
    x = 98,530.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.